Home / 1,433.16-2,149.98-555.60

Finding the Fourth Proportional to 1,433.16, 2,149.98 and 555.60

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Solution

The fourth proportional to 1,433.16, 2,149.98 and 555.60 is: 833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.16 : 2,149.98 = 555.60 : x
  2. Step 2: Convert to fraction form
    1,433.16/2,149.98 = 555.60/x
  3. Step 3: Cross multiply
    1,433.16x = 2,149.98 × 555.60
  4. Step 4: Simplify right side
    1,433.16x = 1,194,528.89
  5. Step 5: Solve for x
    x = 1,194,528.89/1,433.16
  6. Step 6: Final answer
    x = 833.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.